[go: up one dir, main page]

Zhang et al., 2021 - Google Patents

Improving the performance of deduplication-based backup systems via container utilization based hot fingerprint entry distilling

Zhang et al., 2021

View PDF
Document ID
10382007093610924040
Author
Zhang D
Deng Y
Zhou Y
Zhu Y
Qin X
Publication year
Publication venue
ACM Transactions on Storage (TOS)

External Links

Snippet

Data deduplication techniques construct an index consisting of fingerprint entries to identify and eliminate duplicated copies of repeating data. The bottleneck of disk-based index lookup and data fragmentation caused by eliminating duplicated chunks are two challenging …
Continue reading at www.eng.auburn.edu (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
    • G06F17/3015—Redundancy elimination performed by the file system
    • G06F17/30156—De-duplication implemented within the file system, e.g. based on file segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
    • G06F17/3015—Redundancy elimination performed by the file system
    • G06F17/30153—Redundancy elimination performed by the file system using compression, e.g. sparse files
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30312—Storage and indexing structures; Management thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • G06F3/0641—De-duplication techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30091—File storage and access structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30182—File system types
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Error detection; Error correction; Monitoring responding to the occurence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30289—Database design, administration or maintenance
    • G06F17/30303—Improving data quality; Data cleansing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386—Retrieval requests
    • G06F17/30424—Query processing
    • G06F17/30477—Query execution
    • G06F17/30483—Query execution of query operations
    • G06F17/30486—Unary operations; data partitioning operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Free address space management in non-volatile memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0602—Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
    • G06F3/0608—Saving storage space on storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures

Similar Documents

Publication Publication Date Title
Zou et al. From hyper-dimensional structures to linear structures: maintaining deduplicated data’s locality
US20250190422A1 (en) Utilizing multiple fingerprint tables for data deduplication in a flash system
Meister et al. Multi-level comparison of data deduplication in a backup scenario
US9880746B1 (en) Method to increase random I/O performance with low memory overheads
Fu et al. Design tradeoffs for data deduplication performance in backup workloads
Srinivasan et al. iDedup: Latency-aware, inline data deduplication for primary storage.
US10031675B1 (en) Method and system for tiering data
Fu et al. Accelerating restore and garbage collection in deduplication-based backup systems via exploiting historical information
US8832045B2 (en) Data compression and storage techniques
Paulo et al. A survey and classification of storage deduplication systems
US8631052B1 (en) Efficient content meta-data collection and trace generation from deduplicated storage
US7305532B2 (en) Efficient data storage system
CN103098035B (en) Storage system
US20120317381A1 (en) Efficient data storage system
US8667032B1 (en) Efficient content meta-data collection and trace generation from deduplicated storage
US20100049735A1 (en) Method and apparatus for managing data objects of a data storage system
CN102033924B (en) A kind of data storage method and system
Li et al. Improving the restore performance via physical-locality middleware for backup systems
Zhang et al. Improving the performance of deduplication-based backup systems via container utilization based hot fingerprint entry distilling
Zhou et al. LDFS: A low latency in-line data deduplication file system
Denehy et al. Duplicate management for reference data
CN113535670A (en) Virtual resource mirror image storage system and implementation method thereof
US9116902B1 (en) Preferential selection of candidates for delta compression
US12124420B2 (en) Systems, methods and devices for eliminating duplicates and value redundancy in computer memories
US11836388B2 (en) Intelligent metadata compression